Record Class JsonNode.NullNode

java.lang.Object

java.lang.Record

cloud.opencode.base.json.JsonNode.NullNode

All Implemented Interfaces:

JsonNode

Enclosing interface:

JsonNode

public static record JsonNode.NullNode()
extends Record
implements JsonNode

Null Node - Represents a JSON null. Null 节点 - 表示 JSON null。

Since:

JDK 25, opencode-base-json V1.0.0

Author:

Leon Soo www.LeonSoo.com

Nested Class Summary

Nested classes/interfaces inherited from interface JsonNode

JsonNode.ArrayNode, JsonNode.BooleanNode, JsonNode.NullNode, JsonNode.NumberNode, JsonNode.ObjectNode, JsonNode.StringNode

Field Summary

Fields inherited from interface JsonNode

OF_MAX_DEPTH

Constructor Summary

Constructors

Constructor	Description
NullNode()	Creates an instance of a NullNode record class.

Method Summary

Modifier and Type	Method	Description
String	asString()	Returns this node's value as a string.
final boolean	equals(Object o)	Indicates whether some other object is "equal to" this one.
final int	hashCode()	Returns a hash code value for this object.
boolean	isNull()	Returns whether this node is null.
final String	toString()	Returns a string representation of this record class.

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface JsonNode

asBigDecimal, asBigInteger, asBoolean, asBoolean, asDouble, asDouble, asInt, asInt, asLong, asLong, at, at, get, get, has, isArray, isBoolean, isContainer, isEmpty, isNumber, isObject, isString, isValue, keys, select, size

Constructor Details

NullNode

public NullNode()

Creates an instance of a NullNode record class.

Method Details

isNull

public boolean isNull()

Description copied from interface: JsonNode

Returns whether this node is null. 返回此节点是否为 null。

Specified by:

isNull in interface JsonNode

Returns:

true if null - 如果是 null 则返回 true

asString

public String asString()

Description copied from interface: JsonNode

Returns this node's value as a string. 返回此节点的值作为字符串。

Specified by:

asString in interface JsonNode

Returns:

the string value - 字符串值

toString

public final String toString()

Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.

Specified by:

toString in class Record

Returns:

a string representation of this object

hashCode

public final int hashCode()

Returns a hash code value for this object. The value is derived from the hash code of each of the record components.

Specified by:

hashCode in class Record

Returns:

a hash code value for this object

equals

public final boolean equals(Object o)

Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal.

Specified by:

equals in class Record

Parameters:

o - the object with which to compare

Returns:

true if this object is the same as the o argument; false otherwise.